Question: When was Wu Den-yih the chairperson of Kuomintang?
Paraphrase: During what time period did Wu Den-yih serve as the chairperson of Kuomintang?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q31113 p:P488 ?s . ?s ps:P488 wd:Q57838 . ?s pq:P580 ?value}